'''Helevorn''' was the deep, mountain-shaded lake in the cold lands northeast of [[Beleriand]]. [[Caranthir]] had his capital on its shores, but its waters were defiled by [[Glaurung]] during the [[Dagor Bragollach]] ("Battle of Sudden Flame").

+

'''Helevorn''' was the deep, mountain-shaded lake<ref>{{S|Beleriand}}</ref> in northern [[Thargelion]] at the foot of [[Mount Rerir]]. A stream flowed from its southwest corner into the [[Greater Gelion]].<ref>{{S|Map}}</ref>

+

+

After the return of the [[Noldor]] to [[Middle-earth]] the people of [[Caranthir]] dwelt about the lake.<ref>{{S|Return}}</ref> Its waters were defiled by [[Orcs]] during the [[Dagor Bragollach]] ("Battle of Sudden Flame").<ref>{{S|Fingolfin}}</ref> It was destroyed in the [[War of Wrath]] along with [[Mount Rerir]], though it partially survived.

== Etymology ==

== Etymology ==

−

Helvorn means "Black Glass" in [[Sindarin]].<ref>{{S|Index}}, p. 158</ref> It was probably translated from an earlier [[Khuzdul]] name such as "''Narag-zâram''".<ref name="Parma 17"> [[J.R.R. Tolkien]], "Words, Phrases and Passages in various tongues in ''The Lord of the Rings''" in [[Christopher Gilson]] (ed.), ''[[Parma Eldalamberon 17]]'', p. 37</ref>

+

''Helevorn'' means "Black Glass" in [[Sindarin]].<ref>{{S|Index}}, ''Helevorn''</ref> It was probably translated from an earlier [[Khuzdul]] name such as "''Narag-zâram''".<ref>{{PE|17}}, p. 37</ref>